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Can MRI scans spare rectal cancer patients from unnecessary surgery?

NCT ID NCT07404228

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Sep 15, 2026 · Updated 2 times

Summary

This study aims to develop a method using advanced MRI scans to predict whether rectal cancer has been completely eliminated after chemoradiation. About 115 patients will be enrolled to test the accuracy of this MRI-based prediction. If it works, some patients might safely avoid major surgery and its long-term side effects, opting instead for a 'watch-and-wait' approach.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors accurately identify patients whose rectal cancer has completely disappeared after chemoradiation, allowing them to safely avoid surgery and its side effects.
What could go wrong
This is an early-stage study to develop a prediction method, not a treatment trial. The model may not be accurate enough to replace current approaches, and results may not apply to all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 115 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Nov 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Preclinical phase: For patients requiring surgery after neoadjuvant chemoradiotherapy, a surgical consultation will be scheduled as part of routine care. The study will be explained, and an information sheet provided. Participation requires signing the informed consent by the patient and the investigating surgeon. Clinical phase: When a patient requires an MRI as part of their standard care, the study will be presented during the radiology consultation with an information sheet. If the patient agrees to participate, the informed consent form must be signed by the patient and the investigating physician. Patients may be included in the study at two possible times: during the MRI performed before neoadjuvant treatment (MRI staging), or during the re-evaluation MRI after neoadjuvant treatment (MRI restaging).

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria for the preclinical phase : * Age ≥18 years old; * Have a confirmed diagnosis of locally advanced rectal cancer; * Have completed neoadjuvant chemoradiotherapy; * Be a candidate for surgical treatment with total mesorectal excision; * Be willing and able to provide written informed consent; * Affiliation to the French Social Security System. Inclusion criteria for the clinical phase: * Age ≥18 years old; * Have a confirmed diagnosis of locally advanced rectal cancer; * Require neoadjuvant chemoradiotherapy or have completed neoadjuvant chemoradiotherapy; * Requires either surgical treatment or a non-surgical strategy ("Watch-and-Wait") after neoadjuvant chemoradiotherapy; * Be willing and able to provide written informed consent; * Affiliation to the French Social Security System.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • ICM

    Montpellier, Herault, 34298, France

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